Show link to /site/user/list on /site/user/lookup when User is not found.
http://code.google.com/p/soc/issues/detail?id=61
Patch by: Chen Lunpeng
Review by: Todd Larsen (with modifications)
from django.core.management.base import AppCommand, CommandError
class Command(AppCommand):
help = "RENAMED: see 'sqlcustom'"
def handle(self, *apps, **options):
raise CommandError("This command has been renamed. Use the 'sqlcustom' command instead.")